caec41ff60
* elfxx-mips.c (mips_elf_merge_gots): Weaken assert for local
...
GOT entries.
2003-11-14 16:05:13 +00:00
2eaa0d4f9f
Fix typo in ChangeLog entry: s/R_390_RELAVITE/R_390_RELATIVE/.
2003-11-14 09:25:00 +00:00
b5727d755e
* elf32-s390.c (elf_s390_relocate_section): Only convert R_390_32
...
to R_390_RELAVITE. Convert the other relocations against local
symbols to relocations against the start of the section.
* elf64-s390.c (elf_s390_relocate_section): Only convert R_390_64
to R_390_RELAVITE. Convert the other relocations against local
symbols to relocations against the start of the section.
2003-11-13 15:56:50 +00:00
5b27bdbe2e
daily update
2003-11-11 23:00:05 +00:00
893c4fe299
Fix decision about when a .interp section should exist
2003-11-11 13:32:38 +00:00
9940635ce6
daily update
2003-11-10 23:00:04 +00:00
ca6dee30a3
Add initial support for TLS sections in PE format files.
2003-11-10 17:04:55 +00:00
0800d55de8
daily update
2003-11-09 23:00:05 +00:00
512f436a80
daily update
2003-11-08 23:00:05 +00:00
680ded4240
daily update
2003-11-07 23:00:06 +00:00
42cc5353c9
daily update
2003-11-06 23:00:04 +00:00
9abc968f91
* elf32-ppc.c (ppc_elf_install_value): Delete.
...
(shared_stub_entry, stub_entry): Make them arrays of ints.
Remove initial branch.
(ppc_elf_relax_section): Write one branch around all trampolines
instead. Correct bogus R_PPC_PLTREL24 handling. Correct
branch range check. Only use shared_stub_entry when shared.
Test that branches can reach stubs. Write trampolines out at
end so that just one realloc is used. Handle little-endian
mode. Move relevant code from ppc_elf_install_value to here.
(ppc_elf_relocate_section): Move code handling RELAX32 from
ppc_elf_install_value to here.
2003-11-06 14:30:11 +00:00
f31a141e8d
* elf32-ppc.c (ppc_elf_howto_raw); Add entry for R_PPC_RELAX32PC.
...
(ppc_elf_install_value): Handle R_PPC_RELAX32PC. Merge duplicate
cases.
(shared_stub_entry): Correct opcode.
(ppc_elf_relax_section): Generate R_PPC_RELAX32PC relocs.
(ppc_elf_relocate_section): Handle them.
2003-11-06 02:58:40 +00:00
bbbd1a04e0
daily update
2003-11-05 23:00:05 +00:00
8517fae7a5
* elf.c (_bfd_elf_rela_local_sym): Accept asection **, and return
...
updated section in case of merged section.
* elf-bfd.h (_bfd_elf_rela_local_sym): Update declaration.
* elf-hppa.h (elf_hppa_relocate_section): Adjust call.
* elf-m10200.c (mn10200_elf_relocate_section): Likewise.
* elf-m10300.c (mn10300_elf_relocate_section): Likewise.
* elf32-arm.h (elf32_arm_relocate_section): Likewise.
* elf32-avr.c (elf32_avr_relocate_section): Likewise.
* elf32-cris.c (cris_elf_relocate_section): Likewise.
* elf32-fr30.c (fr30_elf_relocate_section): Likewise.
* elf32-frv.c (elf32_frv_relocate_section): Likewise.
* elf32-h8300.c (elf32_h8_relocate_section): Likewise.
* elf32-hppa.c (elf32_hppa_relocate_section): Likewise.
* elf32-i370.c (i370_elf_relocate_section): Likewise.
* elf32-i860.c (elf32_i860_relocate_section): Likewise.
* elf32-m32r.c (m32r_elf_relocate_section): Likewise.
* elf32-m68k.c (elf_m68k_relocate_section): Likewise.
* elf32-mcore.c (mcore_elf_relocate_section): Likewise.
* elf32-msp430.c (elf32_msp430_relocate_section): Likewise.
* elf32-openrisc.c (openrisc_elf_relocate_section): Likewise.
* elf32-ppc.c (ppc_elf_relocate_section): Likewise.
* elf32-s390.c (elf_s390_relocate_section): Likewise.
* elf32-sh.c (sh_elf_relocate_section): Likewise.
* elf32-sparc.c (elf32_sparc_relocate_section): Likewise.
* elf32-v850.c (v850_elf_relocate_section) Likewise.
* elf32-vax.c (elf_vax_relocate_section): Likewise.
* elf32-xstormy16.c (xstormy16_elf_relocate_section): Likewise.
* elf32-xtensa.c (elf_xtensa_relocate_section): Likewise.
* elf64-alpha.c (elf64_alpha_relocate_section): Likewise.
* elf64-mmix.c (mmix_elf_relocate_section): Likewise.
* elf64-ppc.c (ppc64_elf_relocate_section): Likewise.
* elf64-s390.c (elf_s390_relocate_section): Likewise.
* elf64-sh64.c (sh_elf64_relocate_section): Likewise.
* elf64-sparc.c (sparc64_elf_relocate_section): Likewise.
* elf64-x86-64.c (elf64_x86_64_relocate_section): Likewise.
* elfxx-ia64.c (elfNN_ia64_relocate_section): Likewise.
* elf32-cris.c (cris_elf_relocate_section): Don't recalculate symbol
section for reloc output.
* elf32-i370.c (i370_elf_relocate_section): Likewise.
* elf32-m68k.c (elf_m68k_relocate_section): Likewise.
* elf32-sparc.c (elf32_sparc_relocate_section): Likewise.
* elf32-vax.c (elf_vax_relocate_section): Likewise.
* elf64-sparc.c (sparc64_elf_relocate_section): Likewise.
* elf64-x86-64.c (elf64_x86_64_relocate_section): Likewise.
* elf32-ppc.c (ppc_elf_relocate_section): Don't recalculate everything
for R_PPC_RELAX32 reloc. Don't bother checking ppc_elf_install_value
return value.
* elf64-ppc.c (ppc64_elf_relocate_section <R_PPC64_TOC>): Sanity check
sec->id.
2003-11-05 13:17:09 +00:00
a2b0fe9d4d
* elf32-d10v.c (extract_rel_addend, insert_rel_addend): New functions.
...
(elf32_d10v_relocate_section): Use them to handle -r reloc
adjustments, and in place of _bfd_elf_rela_local_sym.
2003-11-05 01:23:55 +00:00
d3ec2be8f5
* cpu-iq2000.c (arch_info_struct): Warning fix.
2003-11-04 23:58:06 +00:00
4fc8051d33
* elf32-hppa.c (ELIMINATE_COPY_RELOCS): Define.
...
(elf32_hppa_copy_indirect_symbol): Don't copy NON_GOT_REF on
weakdefs.
(elf32_hppa_check_relocs): Use ELIMINATE_COPY_RELOCS.
(elf32_hppa_adjust_dynamic_symbol): Likewise. Copy weakdef
NON_GOT_REF.
(allocate_dynrelocs): Use ELIMINATE_COPY_RELOCS and
SYMBOL_CALLS_LOCAL. Discard relocs for undef weak syms with
non-default visibility.
(elf32_hppa_relocate_section): Use ELIMINATE_COPY_RELOCS and
SYMBOL_CALLS_LOCAL.
2003-11-04 23:52:58 +00:00
053a1efcad
daily update
2003-11-04 23:00:06 +00:00
eac93a98e5
* aout-target.h, aoutf1.h, bfdio.c, bfdwin.c: Update copyright date.
...
* coff-apollo.c, coff-sparc.c, coff-w65.c, coff-we32k.c: Ditto.
* coff-z8k.c, coffgen.c, cpu-frv.c, cpu-h8500.c, cpu-hppa.c: Ditto.
* cpu-ia64-opc.c, cpu-m10300.c, cpu-mips.c, cpu-msp430.c: Ditto.
* cpu-rs6000.c, cpu-z8k.c, efi-app-ia32.c, elf32-am33lin.c: Ditto.
* gen-aout.c, hash.c, hp300hpux.c, init.c, mach-o.c: Ditto.
* nlm-target.h, nlm.c, som.h, stabs.c, sysdep.h, xsym.h: Ditto.
2003-11-04 11:30:54 +00:00
140fae3fce
* elf-m10300.c (_bfd_mn10300_elf_create_got_section): Fix
...
"dereferencing type-punned pointer" warnings.
2003-11-04 10:45:54 +00:00
0f867abe4a
* aout-adobe.c (aout_adobe_set_section_contents): Constify location.
...
* aoutx.h (NAME(aout,set_section_contents)): Ditto.
* bfd-in2.h: Regenerate.
* binary.c (binary_set_section_contents): Ditto.
* bout.c (b_out_set_section_contents): Ditto.
* coff-tic54x.c (tic54x_set_section_contents): Ditto.
* coffcode.h (coff_set_section_contents): Ditto.
* ecoff.c (_bfd_ecoff_set_section_contents): Ditto.
* elf-bfd.h (_bfd_elf_set_section_contents): Ditto.
* elf.c (_bfd_elf_set_section_contents): Ditto.
* elfxx-mips.c (_bfd_mips_elf_set_section_contents): Ditto.
* elfxx-mips.h (_bfd_mips_elf_set_section_contents): Ditto.
* i386msdos.c (msdos_set_section_contents): Ditto.
* ieee.c (ieee_set_section_contents): Ditto.
* ihex.c (ihex_set_section_contents): Ditto.
* libaout.h (NAME(aout,set_section_contents)): Ditto.
* libbfd-in.h (_bfd_nowrite_set_section_contents): Ditto.
(_bfd_generic_set_section_contents): Ditto.
* libbfd.h: Regenerate.
* libbfd.c (_bfd_generic_set_section_contents): Ditto.
* libecoff.h (_bfd_ecoff_set_section_contents): Ditto.
* libnlm.h (nlmNAME(set_section_contents)): Ditto.
(struct nlm_backend_data <nlm_mangle_relocs>): Ditto.
* mmo.c (mmo_set_section_contents): Ditto.
* nlm32-alpha.c (nlm_alpha_mangle_relocs): Ditto.
* nlm32-i386.c (nlm_i386_mangle_relocs): Ditto.
* nlm32-ppc.c (nlm_powerpc_mangle_relocs): Ditto.
* nlm32-sparc.c (nlm_sparc_mangle_relocs): Ditto.
* nlmcode.h (nlm_set_section_contents): Ditto.
* oasys.c (oasys_set_section_contents): Ditto.
* pdp11.c (NAME(aout,set_section_contents)): Ditto.
* ppcboot.c (ppcboot_set_section_contents): Ditto.
* srec.c (srec_set_section_contents): Ditto.
* targets.c (BFD_JUMP_TABLE_WRITE <_bfd_set_section_contents>): Ditto.
* tekhex.c (tekhex_set_section_contents): Ditto.
(move_section_contents): Ditto.
* versados.c (versados_set_section_contents): Ditto.
* vms-misc.c (_bfd_save_vms_section): Ditto.
* vms.c (vms_set_section_contents): Ditto.
* vms.h (_bfd_save_vms_section): Ditto.
2003-11-04 10:41:52 +00:00
63bc6f6c39
* elf64-ppc.c (ppc_size_one_stub): Size relbrlt. Accept info arg
...
rather than htab.
(ppc64_elf_size_stubs): Adjust ppc_size_one_stub traversal. Zero
relbrlt size.
(ppc64_elf_build_stubs): Allocate space for relbrlt.
2003-11-04 08:51:36 +00:00
e1918d2387
* bfd-in.h (_bfd_elf_tls_setup): Declare.
...
* bfd-in2.h: Regenerate.
* elf-bfd.h (struct elf_link_tls_segment): Delete.
(struct elf_link_hash_table): Add tls_sec and tls_size.
* elf.c (_bfd_elf_link_hash_table_init): Init tls_sec and tls_size.
* elflink.c (_bfd_elf_tls_setup): New function.
* elflink.h (struct elf_final_link_info): Remove first_tls_sec.
(elf_bfd_final_link): Don't set first_tls_sec here. Update code
saving tls segment info, round segment size up.
(elf_link_output_extsym): Adjust code using tls segment info.
(elf_link_input_bfd): Likewise.
* elf32-i386.c (dtpoff_base, tpoff): Likewise.
* elf32-s390.c (dtpoff_base, tpoff): Likewise.
* elf32-sh.c (dtpoff_base, tpoff): Likewise.
* elf32-sparc.c (dtpoff_base, tpoff): Likewise.
* elf64-s390.c (dtpoff_base, tpoff): Likewise.
* elf64-x86-64.c (dtpoff_base, tpoff): Likewise.
* elfxx-ia64.c (elfNN_ia64_tprel_base): Likewise.
(elfNN_ia64_dtprel_base): Likewise.
* elf64-alpha.c (alpha_get_dtprel_base): Likewise.
(alpha_get_tprel_base): Likewise.
(struct alpha_relax_info): Remove tls_segment.
(elf64_alpha_relax_got_load): Adjust invocation of
alpha_get_dtprel_base and alpha_get_tprel_base.
(elf64_alpha_relax_tls_get_addr): Likewise.
(elf64_alpha_relax_section): Likewise.
(elf64_alpha_relocate_section): Likewise.
(elf64_alpha_relax_find_tls_segment): Delete.
* elf32-ppc.c (struct ppc_elf_link_hash_table): Remove tls_sec.
(ppc_elf_tls_setup): Call _bfd_elf_tls_setup. Return section.
(ppc_elf_relocate_section): Adjust to use elf.tls_sec.
* elf32-ppc.h (ppc_elf_tls_setup): Update.
* elf64-ppc.c (struct ppc_link_hash_table): Remove tls_sec.
(ppc64_elf_tls_setup): Call _bfd_elf_tls_setup. Return section.
(ppc64_elf_tls_optimize): Adjust to use elf.tls_sec.
(ppc64_elf_relocate_section): Likewise.
* elf64-ppc.h (ppc64_elf_tls_setup): Update.
* emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation): Call
_bfd_elf_tls_setup.
2003-11-04 06:16:39 +00:00
203b46ca20
daily update
2003-11-03 23:00:05 +00:00
6f2f2c9d16
* elf-bfd.h (struct elf_backend_data): Remove plt_header_size.
...
* elf-m10300.c (elf_backend_plt_header_size): Don't define.
* elf32-arm.h (elf_backend_plt_header_size): Don't define.
* elf32-cris.c (elf_backend_plt_header_size): Don't define.
* elf32-i386.c (elf_backend_plt_header_size): Don't define.
* elf32-mips.c (elf_backend_plt_header_size): Don't define.
* elf32-ppc.c (elf_backend_plt_header_size): Don't define.
* elf32-s390.c (elf_backend_plt_header_size): Don't define.
* elf32-sh.c (elf_backend_plt_header_size): Don't define.
* elf32-sparc.c (elf_backend_plt_header_size): Don't define.
* elf64-alpha.c (elf_backend_plt_header_size): Don't define.
* elf64-hppa.c (elf_backend_plt_header_size): Don't define.
* elf64-mips.c (elf_backend_plt_header_size): Don't define.
* elf64-ppc.c (elf_backend_plt_header_size): Don't define.
* elf64-s390.c (elf_backend_plt_header_size): Don't define.
* elf64-sh64.c (elf_backend_plt_header_size): Don't define.
* elf64-sparc.c (elf_backend_plt_header_size): Don't define.
* elf64-x86-64.c (elf_backend_plt_header_size): Don't define.
* elfn32-mips.c (elf_backend_plt_header_size): Don't define.
* elfxx-ia64.c (elf_backend_plt_header_size): Don't define.
* elfxx-target.h (elf_backend_plt_header_size): Don't define
or include in target initializer.
2003-11-03 15:17:40 +00:00
8530209598
2003-11-03 Andrew Cagney <cagney@redhat.com>
...
* section.c (bfd_set_section_contents): Make the "location" buffer
constant.
* bfd-in2.h: Re-generate.
Index: gdb/ChangeLog
2003-11-03 Andrew Cagney <cagney@redhat.com>
* exec.c (xfer_memory): Eliminate xfer_fn.
2003-11-03 14:44:08 +00:00
8211433f2c
daily update
2003-11-02 23:00:05 +00:00
9759a9ac06
daily update
2003-11-01 23:00:05 +00:00
b1ace735e1
daily update
2003-10-31 23:00:05 +00:00
fc0a224429
Index: sim/frv/ChangeLog
...
2003-10-30 Andrew Cagney <cagney@redhat.com>
* traps.c: Replace "struct symbol_cache_entry" with "struct
bfd_symbol".
Index: sim/d10v/ChangeLog
2003-10-30 Andrew Cagney <cagney@redhat.com>
* simops.c: Replace "struct symbol_cache_entry" with "struct
bfd_symbol".
Index: sim/common/ChangeLog
2003-10-30 Andrew Cagney <cagney@redhat.com>
* sim-trace.c, sim-base.h: Replace "struct symbol_cache_entry"
with "struct bfd_symbol".
Index: ld/ChangeLog
2003-10-30 Andrew Cagney <cagney@redhat.com>
* emultempl/pe.em, pe-dll.c: Replace "struct symbol_cache_entry"
with "struct bfd_symbol".
Index: bfd/ChangeLog
2003-10-30 Andrew Cagney <cagney@redhat.com>
* syms.c: Replace "struct symbol_cache_entry" with "struct
bfd_symbol".
* vms.h, targets.c, section.c, reloc.c, peicode.h: Ditto.
* mipsbsd.c, elf.c, linker.c, elf-bfd.h, ecoff.c: Ditto.
* cpu-z8k.c, cpu-ns32k.c, cpu-h8500.c, bfd.c, bfd-in.h: Ditto.
* bfd-in2.h: Re-generate.
2003-10-31 05:32:46 +00:00
3084807aa6
daily update
2003-10-30 23:00:05 +00:00
0aa92b58af
* elfxx-ia64.c: Include objalloc.h, hashtab.h.
...
(struct elfNN_ia64_local_hash_entry): Remove root. Add id and r_sym
fields.
(struct elfNN_ia64_local_hash_table): Remove.
(struct elfNN_ia64_link_hash_table): Change loc_hash_table's type
to htab_t. Add loc_hash_memory field.
(elfNN_ia64_local_hash_table_init, elfNN_ia64_new_loc_hash_entry):
Removed.
(elfNN_ia64_local_htab_hash, elfNN_ia64_local_htab_eq): New
functions.
(elfNN_ia64_hash_table_create): Use hashtab.h hashtable for
loc_hash_table. Initialize loc_hash_memory.
(elfNN_ia64_hash_table_free): New function.
(elfNN_ia64_local_hash_lookup): Remove.
(elfNN_ia64_local_dyn_sym_thunk): Change into htab_traverse
callback.
(elfNN_ia64_dyn_sym_traverse): Use htab_traverse.
(get_local_sym_hash): Use hashtab.h hashtable for loc_hash_table.
(bfd_elfNN_bfd_link_hash_table_free): Define.
2003-10-30 14:41:37 +00:00
68b6ddd08f
* elflink.c (_bfd_elf_link_record_dynamic_symbol): Modify versioned
...
symbol string in place.
2003-10-30 14:13:50 +00:00
3f8b3ef37b
Check the correct arch_info object's mach field: all PowerPC machines are
...
supersets of the original rs6000, but not later rs6000 machines.
2003-10-30 12:01:08 +00:00
482e2e3726
* dwarf2.c (struct attribute): Delete "unsnd", "snd" and "addr".
...
Add "val" and "sval" fields.
(DW_STRING, DW_UNSND, DW_BLOCK, DW_SND, DW_ADDR): Delete.
(read_attribute_value): Expand and adjust DW_* occurrences.
(scan_unit_for_functions, parse_comp_unit): Likewise.
2003-10-30 09:50:02 +00:00
257e20bc32
Remove separate vxworks stanza; merge withother common ELF triples.
2003-10-30 09:05:14 +00:00
fa7ac28171
daily update
2003-10-29 23:00:04 +00:00
ddb2b44229
* merge.c (struct sec_merge_sec_info): Update comment.
...
(struct sec_merge_hash_entry): Remove entsize.
(sec_merge_hash_lookup): Only adjust alignment when creating.
(sec_merge_emit): Remove register keyword.
(cmplengthentry, last4_eq, last_eq): Delete.
(strrevcmp, strrevcmp_align, is_suffix): New.
(merge_strings): Use them to implement fast suffix merging.
* elf-strtab.c (struct elf_strtab_hash_entry): Update comments.
Make "len" signed.
(_bfd_elf_strtab_add): Lose on >2G strings.
(_bfd_elf_strtab_emit): Don't emit strings with len < 0.
(cmplengthentry, last4_eq): Delete.
(strrevcmp, is_suffix): New.
(_bfd_elf_strtab_finalize): Rework to implement fast suffix merging.
2003-10-29 22:59:37 +00:00
5e681ec414
2003-10-29 Daniel Jacobowitz <drow@mvista.com>
...
* elf32-arm.h (elf32_arm_final_link_relocate): Move check for
SEC_ALLOC.
2003-10-29 Philip Blundell <philb@gnu.org>
* elf32-arm.h (elf32_arm_plt0_entry, elf32_arm_plt_entry): New
code sequence.
(PLT_HEADER_SIZE): New.
(struct elf32_arm_pcrel_relocs_copied): Rename to ...
(struct elf32_arm_relocs_copied): ... this. Count both
pcrel and non-pcrel relocs. All uses updated.
(struct elf32_arm_link_hash_table): Add pointers to dynamic linker
sections and symbol/section mapping cache.
(create_got_section): New.
(elf32_arm_create_dynamic_sections): New.
(elf_backend_create_dynamic_sections): Use it.
(elf32_arm_final_link_relocate): Support garbage collection of relocs.
(elf32_arm_check_relocs): Likewise.
(elf32_arm_adjust_dynamic_symbol): Likewise.
(elf32_arm_copy_indirect_symbol): New.
(elf32_arm_link_hash_table_create): Initialise new fields.
(elf32_arm_gc_sweep_hook): Implement.
(elf32_arm_discard_copies): Delete.
(elf32_arm_finish_dynamic_symbol): Use new PLT code.
(elf32_arm_finish_dynamic_sections): Likewise.
(elf_backend_can_refcount): Define.
(elf_backend_copy_indirect_symbol): Likewise.
(elf_backend_plt_header_size): Set to PLT_HEADER_SIZE.
2003-10-29 22:33:26 +00:00
d37c89e56f
* elf64-ppc.c (elf_backend_grok_prstatus): Define.
...
(elf_backend_grok_psinfo): Define.
(ppc64_elf_grok_prstatus, ppc64_elf_grok_psinfo): New functions.
2003-10-29 13:06:06 +00:00
62f3bb11d4
* elf.c (_bfd_elfcore_make_pseudosection): Allow multiple
...
sections with the same name.
(elfcore_grok_lwpstatus): Likewise.
(elfcore_grok_win32pstatus): Likewise.
(elfcore_grok_note): Likewise.
(elfcore_grok_nto_status): Likewise.
(elfcore_grok_nto_gregs): Likewise.
2003-10-29 11:15:24 +00:00
d8f18674f1
daily update
2003-10-28 23:00:05 +00:00
a0a8e3c341
daily update
2003-10-27 23:00:05 +00:00
35a0f41580
* elf32-arm.h (elf32_arm_merge_private_bfd_data): Never skip dynamic
...
objects.
2003-10-27 17:33:44 +00:00
ed7c52e939
daily update
2003-10-26 23:00:05 +00:00
113e515c81
daily update
2003-10-25 23:00:07 +00:00
a4fa9f2bc9
daily update
2003-10-25 00:00:05 +00:00
e3d54347fe
* elfxx-mips.c (mips_elf_create_got_section): Initialize global_gotno.
2003-10-24 15:18:29 +00:00
5e35cbc224
bfd/
...
2003-10-24 H.J. Lu <hongjiu.lu@intel.com>
* elflink.h (NAME(bfd_elf,size_dynamic_sections)): Look up
hash table for real symbols.
include/
2003-10-24 H.J. Lu <hongjiu.lu@intel.com>
* bfdlink.h (bfd_elf_version_expr): Add "symbol" and remove
"wildcard".
ld/
2003-10-24 H.J. Lu <hongjiu.lu@intel.com>
* ldlang.c (lang_vers_match): Check "symbol" instead of
"wildcard" and "pattern". Fix a typo.
(lang_finalize_version_expr_head): Likewise.
(lang_register_vers_node): Likewise.
(realsymbol): New function.
(lang_new_vers_pattern): Set "symbol" and remove "wildcard".
* ldlex.l (V_IDENTIFIER): Allow '\\'.
2003-10-24 14:55:14 +00:00
Daniel Jacobowitz
Martin Schwidefsky
Alan Modra
Nick Clifton
Andrew Cagney
Jakub Jelinek
Phil Blundell
Richard Sandiford
H.J. Lu